X-rays

In 1895 Wilhelm Conrad Roentgen discovered a new kind of radiation that was named after him later on (Roentgen rays, also referred to as X-rays in many languages). Roentgen’s epoch-making discovery was enthusiastically celebrated. X-rays permitted insights into the human body without surgery for the first time ever, thus marking a dramatic progress in medical diagnostics. Nowadays X-ray diagnostics is a widespread and frequently used imaging procedure.